News tagged with immune cell function

Occasional heroin use may worsen HIV infection

Researchers at Yale and Boston University and their Russian collaborators have found that occasional heroin use by HIV-positive patients may be particularly harmful to the immune system and worsens HIV disease, compared to ...

Dec 15, 2014
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Cancer immunotherapy on the cusp

Glass crystals with thread-like filaments floating inside sit in the offices of two prominent immunologists. The clear blocks encase models of the structure of PD-1/PD-L1, a receptor-ligand pair that rides ...

Sep 08, 2014
popularity 5 / 5 (8) | comments 0

Study reveals how melanoma evades chemotherapy

Nitric oxide (NO), a gas with many biological functions in healthy cells, can also help some cancer cells survive chemotherapy. A new study from MIT reveals one way in which this resistance may arise, and ...

Apr 08, 2013
popularity 5 / 5 (1) | comments 0 | with audio podcast

Chilly temperatures help cancers grow

At low temperatures the human body has a hard time. As the cold sets in, blood vessels constrict to maintain heat and some body parts – like fingers and toes – begin to suffer. Metabolism ramps up to ...

Nov 18, 2013
popularity 4.7 / 5 (21) | comments 4 | with audio podcast

For an immune cell, microgravity mimics aging

(Medical Xpress)—Telling someone to "act your age" is another way of asking him or her to behave better. Age, however, does not always bring improvements. Certain cells of the immune system tend to misbehave ...

Apr 22, 2014
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